package com.tencent.qf.common.config;

import com.tencent.qf.common.config.properties.MarketThreadPoolProperties;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import javax.annotation.Resource;
import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * @author: p_haojiawu@tencent.com
 * @date: 2023-01-13 15:56
 **/
@EnableAsync
@Slf4j
@Configuration
public class MarketThreadPoolConfig {

    @Resource
    private MarketThreadPoolProperties marketThreadPoolProperties;

    @Bean("asyncMarketServiceExecutor")
    public Executor asyncMarketServiceExecutor() {
        log.info("start asyncMarketServiceExecutor");
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(marketThreadPoolProperties.getCoreSize());
        executor.setMaxPoolSize(marketThreadPoolProperties.getMaxSize());
        executor.setQueueCapacity(marketThreadPoolProperties.getQueueSize());
        executor.setKeepAliveSeconds(marketThreadPoolProperties.getKeepAliveSeconds());
        executor.setThreadNamePrefix("async-market-");
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是由调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        executor.initialize();
        return executor;
    }
}
